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Finding the Fourth Proportional to 170,066.80, 255,100.20 and 110,191.60

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Solution

The fourth proportional to 170,066.80, 255,100.20 and 110,191.60 is: 165,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,066.80 : 255,100.20 = 110,191.60 : x
  2. Step 2: Convert to fraction form
    170,066.80/255,100.20 = 110,191.60/x
  3. Step 3: Cross multiply
    170,066.80x = 255,100.20 × 110,191.60
  4. Step 4: Simplify right side
    170,066.80x = 28,109,899,198.32
  5. Step 5: Solve for x
    x = 28,109,899,198.32/170,066.80
  6. Step 6: Final answer
    x = 165,287.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.